Home / 2,747.15-3,789.23-1,803.79

Finding the Fourth Proportional to 2,747.15, 3,789.23 and 1,803.79

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Solution

The fourth proportional to 2,747.15, 3,789.23 and 1,803.79 is: 2,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.15 : 3,789.23 = 1,803.79 : x
  2. Step 2: Convert to fraction form
    2,747.15/3,789.23 = 1,803.79/x
  3. Step 3: Cross multiply
    2,747.15x = 3,789.23 × 1,803.79
  4. Step 4: Simplify right side
    2,747.15x = 6,834,975.18
  5. Step 5: Solve for x
    x = 6,834,975.18/2,747.15
  6. Step 6: Final answer
    x = 2,488.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.